7238534866 has 32 divisors (see below), whose sum is σ = 11163379248. Its totient is φ = 3519037440.

The previous prime is 7238534851. The next prime is 7238534869. The reversal of 7238534866 is 6684358327.

It can be written as a sum of positive squares in 8 ways, for example, as 2250079225 + 4988455641 = 47435^2 + 70629^2 .

It is not an unprimeable number, because it can be changed into a prime (7238534869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4072570 + ... + 4074346.

Almost surely, 2^7238534866 is an apocalyptic number.

7238534866 is a deficient number, since it is larger than the sum of its proper divisors (3924844382).

7238534866 is a wasteful number, since it uses less digits than its factorization.

7238534866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206.

The product of its digits is 5806080, while the sum is 52.

The square root of 7238534866 is about 85079.5796063897. The cubic root of 7238534866 is about 1934.4175494136.

The spelling of 7238534866 in words is "seven billion, two hundred thirty-eight million, five hundred thirty-four thousand, eight hundred sixty-six".